code: def from_json(self, data_json):
      self._new_columns = data_json.get("new_columns", None)
      self._old_column = data_json.get("old_column", None)
      d = data_json.get("min_datetime", None)
      self._min_datetime = None if d is None else pd.to_datetime(d)
      self._transforms = data_json.get("transforms", [])
  
file_path: mljar-supervised/supervised/preprocessing/datetime_transformer.py
imports: import datetime
  import json
  import numpy
  import pandas
label_desc: Use image node_id 5 for calling the DateTimeTransformer obj's underlying member method code with example usage: obj.from_json(data_json) without return types